//
//  AdditionOperator.h
//  Hellow
//
//  Created by XU Bennix on 10-6-19.
//  Copyright 2010 Fudan. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface AdditionOperator : NSObject {
    double leftValue, rightValue;
}

-(id)initWithLeftValue:(double)lv andRightValue:(double)rv;
-(double)evaluate;

@end
